<dependency>
  <groupId>org.webjars.npm</groupId>
  <artifactId>rx</artifactId>
  <version>2.5.3</version>
</dependency>

implementation 'org.webjars.npm:rx:2.5.3'

implementation("org.webjars.npm:rx:2.5.3")

libraryDependencies += "org.webjars.npm" % "rx" % "2.5.3"

@Grapes(
  @Grab(group='org.webjars.npm', module='rx', version='2.5.3')
)

<dependency org="org.webjars.npm" name="rx" rev="2.5.3" />

[org.webjars.npm/rx "2.5.3"]

'org.webjars.npm:rx:jar:2.5.3'